<template lang="html">
    <div class="">
        <div class="search">
          <input v-model="keyWord" class="search-input" type="text" name="" value="" placeholder="输入城市名或拼音">
        </div>
        <div class="search-content" ref="search" v-show="keyWord">
            <ul>
                <li class="search-item border-bottom" v-for="item of list" @click="handleCityClick(item.name)" :key="item.id">{{item.name}}</li>
                <li v-show="hasNoData" class="search-item border-bottom">没有找到匹配数据</li>
            </ul>
        </div>
    </div>

</template>

<script>
import BScroll from 'better-scroll'
export default {
	name: 'CitySearch',
	props: {
		cities: Object
	},
	data() {
		return {
			keyWord: '',
			list: [],
			timer: null
		}
	},
	methods: {
		handleCityClick(city) {
			this.$store.commit('changeCity', city)
			this.$router.push('/')

		}
	},
	mounted() {
		this.scroll = new BScroll(this.$refs.search)
	},
	computed: {
		hasNoData() {
			return !this.list.length
		}
	},
	watch: {
		keyWord() {
			if (this.timer) {
				clearTimeout(this.timer)
			}
			if (!this.keyWord) {
				this.list = []
				return
			}
			this.timer = setTimeout(() => {
				const result = []
				for (let i in this.cities) {
					this.cities[i].forEach((value) => {
						if (value.spell.indexOf(this.keyWord) > -1 || value.name.indexOf(this.keyWord) > -1) {
							result.push(value)
						}
					})
				}
				this.list = result
			}, 100)
		}
	}
}
</script>

<style lang="scss" scoped>
@import '~scss/varibles';
.search {
    height: 0.72rem;
    padding: 0 0.1rem;
    background: $bgColor;
    .search-input {
        box-sizing: border-box;
        height: 0.62rem;
        line-height: 0.62rem;
        width: 100%;
        text-align: center;
        border-radius: 0.06rem;
        color: #666;
        padding: 0 0.1rem;
    }
}
.search-content {
    position: absolute;
    overflow: hidden;
    top: 1.58rem;
    left: 0;
    right: 0;
    bottom: 0;
    background: #eee;
    z-index: 1;
    .search-item {
        line-height: 0.62rem;
        padding-left: 0.2rem;
        color: #666;
        background-color: #fff;
    }
}
</style>
